cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A201150 Number of nX3 0..2 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.

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%I A201150 #7 Jul 22 2025 16:07:39
%S A201150 11,56,235,860,2910,9287,28452,84473,244933,697065,1954865,5417604,
%T A201150 14870436,40495840,109564073,294830410,789790546,2107673769,
%U A201150 5606720691,14874608710,39372687032,104018286133,274358183769,722650263970
%N A201150 Number of nX3 0..2 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.
%C A201150 Column 3 of A201155
%H A201150 R. H. Hardin, <a href="/A201150/b201150.txt">Table of n, a(n) for n = 1..111</a>
%e A201150 Some solutions for n=8
%e A201150 ..0..1..1....0..0..2....0..0..0....0..0..0....0..0..1....0..0..0....0..0..2
%e A201150 ..0..1..1....0..2..2....0..0..1....0..0..0....0..0..1....0..1..2....0..2..2
%e A201150 ..0..1..1....1..1..2....0..0..1....0..0..0....0..0..1....1..2..2....0..1..2
%e A201150 ..0..1..2....1..1..2....0..0..1....0..0..0....0..0..1....2..2..2....0..1..2
%e A201150 ..0..1..2....1..2..2....1..1..2....0..1..1....0..2..1....1..2..2....0..1..2
%e A201150 ..0..1..2....2..2..2....1..2..2....0..1..2....1..2..2....1..2..2....0..1..2
%e A201150 ..2..2..2....1..2..2....2..2..2....0..2..2....1..1..2....1..2..2....1..1..2
%e A201150 ..1..2..2....2..2..2....1..2..2....1..1..2....1..2..2....2..2..2....1..1..2
%K A201150 nonn
%O A201150 1,1
%A A201150 _R. H. Hardin_ Nov 27 2011